Fix error code

src/librustc/diagnostics.rs

@@ -2025,5 +2025,5 @@ register_diagnostics! {
     E0490, // a value of type `..` is borrowed for too long
     E0495, // cannot infer an appropriate lifetime due to conflicting requirements
     E0566, // conflicting representation hints
-    E0624, // generators cannot have explicit arguments
+    E0625, // generators cannot have explicit arguments
 }

src/librustc/hir/lowering.rs

@@ -1947,7 +1947,7 @@ impl<'a> LoweringContext<'a> {
                             e
                         });
                         if gen == hir::IsGenerator::Yes && !decl.inputs.is_empty() {
-                            span_err!(this.sess, fn_decl_span, E0624,
+                            span_err!(this.sess, fn_decl_span, E0625,
                                       "yield statement outside of generator literal");
                             this.sess.abort_if_errors();
                         }